Central vacuum cleaner utility port
US9579004B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 21, 2015 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Jul 21, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B7/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A central vacuum having a housing, a suction chamber in the housing, a suction motor, a suction chamber inlet, and a utility port. The utility port has a suction opening that leads into the suction chamber, and a utility port door pivotal between a closed position to cover the suction opening, and an open position to uncover the suction opening. Also, provided is a utility port having a suction opening, a door to selectively cover the suction opening, a latch to selectively lock the door closed, a floating plate movably mounted on the door, and a seal between the floating plate and the suction opening. Also, provided is a method for operating a utility port door on a vacuum cleaner suction chamber, the method including pushing the utility port door a first time to close the door, and pushing the utility port door a second time to open the door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.